FuseBuilder requires a ColdFusion server to run properly. For people that don't already have one, New Atlanta has created Blue Dragon, which is available in several versions depending on your platform and needs.
Phillip Harrington is a professional PHP developer, and was a contributing programmer for the PHP FB4 initiative, recently completed. His site not only provides some helpful tips on how to get started, but also has FB4 under the hood.
The Fusebox mothersite, for anything to do with Fusebox, including the main forums.
Steve Nelson has a long history of involvement in the Fusebox Community, and his website has some very useful tools for developers